package labox.innovation.util;

import java.io.Serializable;

/**
 * This class ...
 * 
 * @version $Revision: 1.2 $ $Date: 2004/06/27 08:12:59 $
 */
public class Point3D implements Serializable {
	/**
	 * Comment for <code>serialVersionUID</code>
	 */
	private static final long serialVersionUID = 4638345252031872576L;

	private volatile int _x, _y, _z;

	public Point3D(int pX, int pY, int pZ) {
		_x = pX;
		_y = pY;
		_z = pZ;
	}

	public Point3D(int pX, int pY) {
		_x = pX;
		_y = pY;
		_z = 0;
	}

	/**
	 * @param worldPosition
	 */
	public Point3D(Point3D worldPosition) {
		synchronized (worldPosition) {
			_x = worldPosition._x;
			_y = worldPosition._y;
			_z = worldPosition._z;
		}
	}

	public synchronized void setTo(Point3D point) {
		synchronized (point) {
			_x = point._x;
			_y = point._y;
			_z = point._z;
		}
	}

	@Override
	public String toString() {
		return "(" + _x + ", " + _y + ", " + _z + ")";
	}

	@Override
	public int hashCode() {
		return _x ^ _y ^ _z;
	}

	@Override
	public synchronized boolean equals(Object o) {
		if (o instanceof Point3D) {
			Point3D point3D = (Point3D) o;
			boolean ret;
			synchronized (point3D) {
				ret = point3D._x == _x && point3D._y == _y && point3D._z == _z;
			}
			return ret;
		}
		return false;
	}

	public synchronized boolean equals(int pX, int pY, int pZ) {
		return _x == pX && _y == pY && _z == pZ;
	}

	public synchronized long distanceSquaredTo(Point3D point) {
		long dx, dy;
		synchronized (point) {
			dx = _x - point._x;
			dy = _y - point._y;
		}
		return (dx * dx) + (dy * dy);
	}

	public static long distanceSquared(Point3D point1, Point3D point2) {
		long dx, dy;
		synchronized (point1) {
			synchronized (point2) {
				dx = point1._x - point2._x;
				dy = point1._y - point2._y;
			}
		}
		return (dx * dx) + (dy * dy);
	}

	public static boolean distanceLessThan(Point3D point1, Point3D point2, double distance) {
		return distanceSquared(point1, point2) < distance * distance;
	}

	public int getX() {
		return _x;
	}

	public synchronized void setX(int pX) {
		_x = pX;
	}

	public int getY() {
		return _y;
	}

	public synchronized void setY(int pY) {
		_y = pY;
	}

	public int getZ() {
		return _z;
	}

	public synchronized void setZ(int pZ) {
		_z = pZ;
	}

	public synchronized void setXYZ(int pX, int pY, int pZ) {
		_x = pX;
		_y = pY;
		_z = pZ;
	}
}
